@article{KYB_1996_32_6_a7,
     author = {Jetto, Leopoldo and Longhi, Sauro},
     title = {The invariant polynomial assignment problem for linear periodic discrete-time systems},
     journal = {Kybernetika},
     pages = {615--624},
     year = {1996},
     volume = {32},
     number = {6},
     mrnumber = {1438109},
     zbl = {1043.93515},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1996_32_6_a7/}
}